Search Results - "Bost, C. A."

Artificial burrows as a tool for long-term studies of diving petrels by Fromant, Aymeric, Miskelly, C. M., Arnould, J. P. Y., Bost, C.-A.

“…Long-term studies are essential to determine demographic parameters and population trends in seabirds. However, studies to date have focused mainly on the…”
Get full text

Fine-scale foraging effort and efficiency of Macaroni penguins is influenced by prey type, patch density and temporal dynamics by Sutton, G. J., Bost, C. A., Kouzani, A. Z., Adams, S. D., Mitchell, K., Arnould, J. P. Y.

“…Difficulties quantifying in situ prey patch quality have limited our understanding of how marine predators respond to variation within and between patches, and…”
Get full text

Optimization of transit strategies while diving in foraging king penguins by Hanuise, N., Bost, C.-A., Handrich, Y.

“…Optimal foraging theories predict that air‐breathing, diving foragers should maximize time spent at feeding depths, and minimize time spent travelling between…”
Get full text

Applying science to pressing conservation needs for penguins by Boersma, P.D., Borboroglu, P. García, Gownaris, N.J., Bost, C.A., Chiaradia, A., Ellis, S., Schneider, T., Seddon, P.J., Simeone, A., Trathan, P.N., Waller, L.J., Wienecke, B.

“…More than half of the world's 18 penguin species are declining. We, the Steering Committee of the International Union for Conservation of Nature Species…”
Get full text

The importance of oceanographic fronts to marine birds and mammals of the southern oceans by Bost, C.A., Cotté, C., Bailleul, F., Cherel, Y., Charrassin, J.B., Guinet, C., Ainley, D.G., Weimerskirch, H.

“…During the last 30 years, at-sea studies of seabirds and marine mammals in the oceans south of the Subtropical Front have described an association with major…”
Get full text

Exploration during early life: distribution, habitat and orientation preferences in juvenile king penguins by Orgeret, F, Péron, C, Enstipp, M R, Delord, K, Weimerskirch, H, Bost, C A

“…The early life of marine apex predators is poorly known, particularly for diving species. The orientation and foraging skills are presumably less developed in…”
Get full text

Gentlemen first? 'Broken stick' modelling reveals sex-related homing decision date in migrating seabirds by Thiebot, J.-B., Authier, M., Trathan, P. N., Bost, C.-A.

“…Technical progress in animal‐borne tracking and movement data analysis has facilitated the understanding of the interplay between successive periods in the…”
Get full text

Where do penguins go during the inter-breeding period? Using geolocation to track the winter dispersion of the macaroni penguin by Bost, C. A., Thiebot, J. B., Pinaud, D., Cherel, Y., Trathan, P. N.

“…which does not occur at these northern latitudes. Such winter information is a crucial step for a better integrative approach for the conservation of this…”
Get full text

Southern Ocean frontal structure and sea-ice formation rates revealed by elephant seals by Charrassin, J.-B, Hindell, M, Rintoul, S.R, Roquet, F, Sokolov, S, Biuw, M, Costa, D, Boehme, L, Lovell, P, Coleman, R, Timmermann, R, Meijers, A, Meredith, M, Park, Y.-H, Bailleul, F, Goebel, M, Tremblay, Y, Bost, C.-A, McMahon, C.R, Field, I.C, Fedak, M.A, Guinet, C

“…Polar regions are particularly sensitive to climate change, with the potential for significant feedbacks between ocean circulation, sea ice, and the ocean…”
Get full text

A thorough and quantified method for classifying seabird diving behaviour by HALSEY, L. G, BOST, C.-A, HANDRICH, Y

“…Time-depth recorders are commonly deployed on diving animals to obtain information on their aquatic behaviour. The recorded data provide a 2D profile of diving…”
Get full text

Buoyancy and maximal diving depth in penguins: do they control inhaling air volume? by Sato, Katsufumi, Naito, Y, Kato, A, Niizuma, Y, Watanuki, Y, Charrassin, J B, Bost, C-A, Handrich, Y, Le Maho, Y

“…Using a newly developed data logger to measure acceleration, we demonstrate that free-ranging king and Adélie penguins only beat their flippers substantially…”
Get full text

Identifying foraging events in deep diving southern elephant seals, Mirounga leonina, using acceleration data loggers by Gallon, S., Bailleul, F., Charrassin, J.-B., Guinet, C., Bost, C.-A., Handrich, Y., Hindell, M.

“…Southern elephant seals (Mirounga leonina) range widely throughout the Southern Ocean and are associated with important habitats (e.g., ice edges, shelf) where…”
Get full text

Seasonal changes in the diving parameters of king penguins (Aptenodytes patagonicus) by CHARRASSIN, J.-B, LE MAHO, Y, BOST, C.-A

“…Contrasting conditions at-sea are likely to affect the foraging behaviour of seabirds. However, the effect of season on the dive parameters of penguins is…”
Get full text

Changes in dive profiles as an indicator of feeding success in king and Adélie penguins by Bost, C.A., Handrich, Y., Butler, P.J., Fahlman, A., Halsey, L.G., Woakes, A.J., Ropert-Coudert, Y.

“…Determining when and how deep avian divers feed remains a challenge despite technical advances. Systems that record oesophageal temperature are able to…”
Get full text

Exploitation of distant marginal ice zones by king penguins during winter by Bost, C. A., Charrassin, J. B., Clerquin, Y., Ropert-Coudert, Y., Le Maho, Y.

“…We investigated the use of Antarctic waters by king penguins in a 2 yr study based on the satellite tracking of 10 penguins from the Crozet Islands (SW Indian…”
Get full text

Modeling the Marine Resources Consumed in Raising a King Penguin Chick: An Energetics Approach by Halsey, L. G., Butler, P. J., Fahlman, A., Bost, C.‐A., Woakes, A. J., Handrich, Y.

“…Accurate estimates of penguin energetics would represent an important contribution to our understanding of the trophodynamics of the Southern Ocean ecosystem…”
Get full text

Fine-scale analyses of diving energetics in king penguins Aptenodytes patagonicus: how behaviour affects costs of a foraging dive by Halsey, LG, Handrich, Y, Fahlman, A, Schmidt, A, Bost, CA, Holder, RL, Woakes, AJ, Butler, PJ

“…Heart rate data loggers were implanted into king penguins Aptenodytes patagonicus undertaking foraging trips at sea during three austral summers. Data were…”
Get full text

Utilisation of the oceanic habitat by king penguins over the annual cycle by Charrassin, Jean-Benoît, Bost, Charles-André

“…The distribution and behaviour of foraging seabirds depend on the physical features of the ocean at different time and space scales, but little is known for…”
Get full text

Feeding of diving predators and diel vertical migration of prey: King penguins’ diet versus trawl sampling at Kerguelen Islands by Bost, C. A., Zorn, T., Le Maho, Y., Duhamel, G.

“…The diving behavior and diet composition of King penguins were examined during summer 1995 at Kerguelen Islands. This was in relation to real-time estimations…”
Get full text

Do Adélie penguins modify their foraging behaviour in pursuit of different prey? by ROPERT-COUDERT, Y, KATO, A, BOST, C.-A, RODARY, D, SATO, K, LE MAHO, Y, NAITO, Y

“…Ropert-Coudert et al examined whether the foraging behavior of Adelie penguins change in accord with the prey captured. They conclude that Adelie penguins…”
Get full text